123.4=2/5y

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Solution for 123.4=2/5y equation: 



123.4=2/5y

We move all terms to the left:

123.4-(2/5y)=0



Domain of the equation: 5y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(+2/5y)+123.4=0

We get rid of parentheses

-2/5y+123.4=0

We multiply all the terms by the denominator


(123.4)*5y-2=0

We multiply parentheses

617y-2=0

We move all terms containing y to the left, all other terms to the right

617y=2

y=2/617

y=2/617

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